Istituto di Scienze Marine     
Aliani S., Bianchi C. N., De Asmundis C., Meloni R. Scanning electron microscope observations on the tube of the reef-forming serpulid Ficopomatus enigmaticus (Fauvel) (Annelida, Polychaeta). In: Italian Journal of Zoology, vol. 62 (4) pp. 363 - 367. UNIONE ZOOLOGICA ITALIANA, DIPARTIMENTO 62032 CAMERINO, ITALY ANIMALE, UNIVERSITA CAMERINO, 1995.
The tube of Ficopomatus enigmaticus (Fauvel) has two different layers: an outer, 90 μm-thick calcareous one and an inner, very thin organic membrane. Prismatic crystals, about 5 μm in length, are evident at the inner surface of the calcareous layer. In the reef-like aggregates, tubes grow perpendicular to the substratum and are closely packed: their density ranges from 70 000 to 180 000 worms-m-2, and distance between tube mouths averages 1.2 mm. Adherence between tubes appears to be due to wedge-shaped junctions, consisting of 10-12 μm-long clusters of crystals. Small tubes of newly settled individuals encrust interweaving adult tubes and help to consolidate the reef framework.
URL: http://www.informaworld.com/smpp/content~db=all~content=a908287373
DOI: 10.1080/11250009509356090
Subject Serpulidae
Ficopomatus enigmaticus
Biogenic reefs
Brackish water
Mediterranean Sea

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